Do you have a question about the ROG STRIX XG27UCDMG and is the answer not in the manual?
Questions and answers
Ken
July 18, 2025
Why does my monitor after I turn it off automatically come back on after a few and go into standby mode (orange light)? How do I stop it from doing that? Should I leave it on standby mode all the time?
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ROG STRIX OLED XG27UCDMG GAMING MONITOR U S E R G U I D E...
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Product warranty or service will not be extended if: (1) the product is repaired, modified or altered, unless such repair, modification of alteration is authorized in writing by ASUS; or (2) the serial number of the product is defaced or missing.
Notices Federal Communications Commission Statement This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: • This device may not cause harmful interference, and • This device must accept any interference received including interference that may cause undesired operation. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can...
Safety Information This equipment is not suitable for use in locations where children are likely to be present. • Before setting up the monitor, carefully read all the documentation that came with the package. • To prevent fire or shock hazard, never expose the monitor to rain or moisture. • Never try to open the monitor cabinet. The dangerous high voltages inside the monitor may result in serious physical injury. •...
• Adjustment of the volume control as well as the equalizer to other settings than the center position may increase the ear-/headphones output voltage and therefore the sound pressure level. • CLASS 1 CONSUMER LASER PRODUCT EN 50689:2021 This symbol of the crossed out wheeled bin indicates that the product (electrical, electronic equipment, and mercury-containing button cell battery) should not be placed in municipal waste. Please check local regulations for disposal of electronic products. AEEE yönetmeliğine uygundur Care & Cleaning • Before you lift or reposition your monitor, it is better to disconnect the cables and power cord. Follow the correct lifting techniques when positioning the monitor. When lifting or carrying the monitor, grasp the edges of the monitor. Do not lift the display by the stand or the cord.
Where to find more information Refer to the following sources for additional information and for product and software updates. ASUS websites The ASUS websites worldwide provide updated information on ASUS hardware and software products. Refer to http://www.asus.com Optional documentation Your product package may include optional documentation that may have been added by your dealer. These documents are not part of the standard package.
Chapter 1: Product Introduction Welcome! ® Thank you for purchasing the ASUS OLED Gaming monitor! The latest widescreen OLED monitor from ASUS provides a crisper, broader, and brighter display, plus a host of features that enhance your viewing experience. With these features, you can enjoy the convenience and delightful visual experience that the monitor brings to you! Package Contents Check your package for the following items: OLED Monitor Quick Start Guide Warranty Card Power Cord ROG Pouch ROG Sticker Monitor Base Wall Mount Kit Microfiber Cloth USB Type-C cable (optional) HDMI cable (optional) DP cable (optional) USB cable (optional) Feature label (optional) If any of the above items is damaged or missing, contact your retailer immediately. Chapter 1: Product Introduction...
OSD menu. • Move the button right to activate the GamePlus hotkey. button up to activate the GameVisual hotkey. • Move the button down to activate the Input Select • Move the hotkey. To change the preset hotkey function, go to the MyFavorite > Shortcut menu. ROG Strix XG27UCDMG Gaming Monitor...
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When the OSD menu is ON: • Press the button to enact the selected OSD menu item. • Move the button right to enter the submenu. • Move the button left to return to the previous menu or exit the menu. • Move the button up to move your selection up or increase value.
USB Type-C Port: This port is for connection with a USB Type-C cable. The connection supports video signal (DP Alt mode), power delivery, and data transmission. • The port offers output voltage 5V/3A, 9V/3A, 15V/3A, and 20V/4.5A. USB Type-C port supports power delivery and data. USB Type-C port supports power delivery and data transmission. Connecting the USB Type-C to Type-A cable only enables the USB Type-A ports (downstream) on the monitor. • Disclaimer: Connected USB Type-C Devices need to support DP Alt mode. ROG Strix XG27UCDMG Gaming Monitor...
Earphone jack: This port is connection with an Earphone (Impedance: 32Ω at 1 kHz) 1.3.3 GamePlus Function The GamePlus function provides a toolkit and creates a better gaming environment for users when playing different types of games. The crosshair overlay with several crosshair options letting you choose the one that best suits the game you're playing. There are also on screen timer and stopwatch you can position on the left of the display so you can keep track of the gaming time; while the FPS (frames per second) counter lets you know how smooth the game is running. Sniper function (only available when HDR is disabled on your device) is customized for first-person shooters. You can select the magnification ratio and the type of alignment in sequence. To activate GamePlus: Move the button right. Move the button up/down to select among different functions. Press the button or move the button right to confirm the function you choose, and move the...
1.3.4 GameVisual Function The GameVisual function helps you select among different picture modes in a convenient way. To activate GameVisual: Press the GameVisual shortcut button. Move the button up/down to select the desired setting. • Scenery Mode: This is the best choice for scenery photo displaying with GameVisual Video intelligence Technology. • Racing Mode: This is the best choice for racing game playing with GameVisual Video intelligence Technology. • Cinema Mode: This is the best choice for movie watching with GameVisual Video intelligence Technology.
Chapter 2: Setup Attaching the Stand Align and install the base to the stand. Then fix the base to the stand by fastening the bundled screw. Align and install the stand to its compartment on the rear of the monitor. Carefully remove the monitor from the EPS packaging. Place the monitor on a stable surface in the upright position. ROG Strix XG27UCDMG Gaming Monitor...
Press the release button to detach the stand from the monitor. Then remove the stand. Install the wall mount bracket on the rear of the monitor. Install VESA wall mount kit if you need to use VESA wall mount. 100mm 100mm • The VESA wall mount kit (100 x 100 mm) is purchased separately. • Use only the UL Listed Wall Mount Bracket with minimum weight/load 22.7kg. • Mounting screw size is M4 x 8 mm (4pcs). ROG Strix XG27UCDMG Gaming Monitor...
2.4 Connecting the Cables Connect the cables as the following instructions: To connect the power cord: Connect one end of the power cord to • the monitor’s AC IN input and the other end to a power outlet. • To use the USB Type-A/B ports: Take the supplied USB 3.2 cable, and plug the smaller end (Type-B) of the USB upstream cable to the monitor’s USB upstream port, and the larger end (Type-A) to your computer’s USB 3.2 port. Make sure your computer is installed with the lastest Windows 10/ Windows 11 operating system. That will enable the USB hub function on the monitor to work.
You can also press any button to turn on the monitor when the monitor is turned off. 2.6 Adjusting the Monitor • For optimal viewing, we recommend that you look at the full face of the monitor, then adjust the monitor to the angle that is most comfortable for you. • Hold the stand to prevent the monitor from falling when you change its angle. • You can adjust the monitor's angle from -5° to 20° and it allows 45° swivel adjustment from either left or right. You can also adjust the monitor's height within ±120 mm and rotate the monitor (90˚ clockwise or counter-clockwise) to portrait orientation. -5° 20° 45° 45° 0° 0° -90° -90° 120mm ROG Strix XG27UCDMG Gaming Monitor...
Chapter 3: General Instructions OSD (On-Screen Display) Menu 3.1.1 How to Reconfigure Use the control buttons on the monitor to navigate through the menu and make adjustments. GameVisual Input Select ROG STRIX XG27UCDMG Racing Mode DisplayPort 3840 x 2160 60Hz Variable Refresh Rate Gaming ELMB GamePlus Image GameVisual Shadow Boost Color...
Rate turn on. – PIP/PBP – ELMB – Aspect Control • ELMB: Configure the ELMB related settings. This function eliminates screen tearing, reduces ghosting and motion blur when playing games. • To activate ELMB, turn off Variable Refresh Rate function first. • The following function will be disabled when ELMB turn on. – Variable Refresh Rate – Blue Light Filter – Aspect Control – PIP/PBP – Brightness – Uniform Brightness • This function is only available when the refresh rate is 120Hz. ROG Strix XG27UCDMG Gaming Monitor...
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• GamePlus: Configure the gaming environment. See 1.3.3 GamePlus Function for details. • GameVisual: Select the picture mode. See 1.3.4 GameVisual Function for details. When HDR function is turned on, Game Visual will be disabled. • Shadow Boost: Adjust the monitor gamma curve to enrich the dark tones in an image, making dark scenes and objects much easier to be seen. • ASUS DisplayWidget Center: Display a QR code for you to access the information about ASUS DisplayWidget Center. Chapter 3: General Instruction...
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• Uniform Brightness: With the feature enabled, the system will not adjust the maximum brightness of the screen when the screen is displayed in a different screen size. • Contrast: Adjust the contrast level. • OLED Anti-Flicker: Designed to enhance your viewing experience by stabilizing the refresh rate within a specified range. • OLED Anti-Flicker only supports in the limited refresh rate. • This function is only available when the input source is DisplayPort or USB-C. ROG Strix XG27UCDMG Gaming Monitor...
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• HDR Setting: Set the HDR mode to Gaming HDR, Cinema HDR, Console HDR, DisplayHDR 400 True Black, Adjustable HDR, or Dynamic Brightness Boost. If the setting is set to Adjustable HDR, HDR PQ curve will be affected. • The following function will be disabled when HDR turn on. – ELMB – PIP/PBP – GameVisual – Shadow Boost – Contrast – Blue Light Filter – Color Temp. – Gamma – Saturation – Power Saving – Display Color Space –...
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• To minimize eye strain and dryness in your eyes, users should rest the eye periodically by focusing on objects that are far away. • Eye exercises can help to reduces eye strain. Repeat these exercises often. If eye strain continues please consult a physician. Eye exercises: (1) Repeating look up and down (2) Slowly roll your eyes (3) Move your eyes diagonal. • High energy blue light may lead to eye strain and AMD (Age- Related Macular Degeneration). Blue light filter to reduce 70% (max.) harmful blue light to avoiding CVS (Computer Vision Syndrome). • VividPixel: Enhance the outline of the displayed picture and generates high-quality images on screen. ROG Strix XG27UCDMG Gaming Monitor...
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Color Configure the image color settings. GameVisual Input Select ROG STRIX XG27UCDMG Racing Mode DisplayPort 3840 x 2160 60Hz Display Color Space Gaming Color Temp. Saturation Image Six-axis Saturation Gamma Color ASUS DisplayWidget Center Learn More OLED Care Input Select Volume 50 Back Enter Exit •...
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Do not unplug the power cord while it is in progress. If you power on the monitor, the Pixel Cleaning will stop operating. • Pixel Cleaning Reminder: Set a reminder for user to perform the Pixel Cleaning. The screen may have mura and image sticking due to OLED characteristic during the initial use or re-used after a long time. It is advised to perform Pixel Cleaning while turning on monitor to make sure situation disappear. • Screen Move: Select the screen movement level to prevent image sticking on the display panel. • Auto Logo Brightness: Enable this function to allow the system to automatically adjust the logo brightness to correct the potential picture quality issues. ROG Strix XG27UCDMG Gaming Monitor...
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Input Select Select your desired input source and toggle the Auto Input Detection function between on and off. The monitor input source will not automatically switch when the Auto Input Detection function is disabled. GameVisual Input Select ROG STRIX XG27UCDMG Racing Mode DisplayPort 3840 x 2160 60Hz Auto Input Detection Gaming...
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Color Setting Lighting Effect PIP Size MyFavorite ASUS DisplayWidget Center Learn More System Setup Volume 50 Back Enter Exit • PIP/PBP Mode: Enable the PIP/PBP function and select the split screen type. • PIP/PBP Source: Select the video input source for the designated split screen. • Color Setting: Set the GameVisual mode for the designated split screen. • PIP Size: Adjust the PIP size to Small, Middle, or Large. 3-10 ROG Strix XG27UCDMG Gaming Monitor...
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Lighting Effect Configure the lighting effect for the rear cover and base cover. GameVisual Input Select ROG STRIX XG27UCDMG Racing Mode DisplayPort 3840 x 2160 60Hz Aura Sync PIP/PBP Aura RGB LIGHT IN MOTION Lighting Effect MyFavorite ASUS DisplayWidget Center Learn More System Setup Volume 50 Back Enter Exit •...
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ROG STRIX XG27UCDMG Racing Mode DisplayPort 3840 x 2160 60Hz Shortcut PIP/PBP Customized Setting Lighting Effect MyFavorite ASUS DisplayWidget Center Learn More System Setup Volume 50 Back Enter Exit • Shortcut: Assign a function for the designated shortcut button. • Customized Setting: Load/Save all settings on the monitor. 3-12 ROG Strix XG27UCDMG Gaming Monitor...
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System Setup Adjust the system configurations. GameVisual Input Select ROG STRIX XG27UCDMG Racing Mode DisplayPort 3840 x 2160 60Hz Language PIP/PBP Sound USB Setup Lighting Effect Power Indicator Power Key Lock MyFavorite Key Lock ASUS DisplayWidget Center Learn More Power Setting System Setup...
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Apple TV, Sony PlayStation, Xbox Series X/S, Nintendo Switch through the monitor. The default setting is OFF. If the monitor is turned on, the CEC source device will automatically power on, and vice versa. If the CEC source device is turned on, the monitor will automatically power on. • Color Calibration: View the calibration report. Color Calibration Report: View the color calibration report for • this monitor. • Information: Display the monitor information. • All Reset: Select Yes to revert all settings to the factory default mode. 3-14 ROG Strix XG27UCDMG Gaming Monitor...
3.2 Specifications Panel type 240Hz Panel size 26.5" Max. resolution 3840 x 2160 Brightness 250nits (typ.) Contrast ratio 1.5M:1 Viewing angle (H/V) 178°(H) / 178°(V) Display colors 10 bit Response time 0.03ms 8 modes (4000K/5000K/6500K/7500K/8200K/ Color temperature selection 9300K/10000K/User Mode) Analog input DisplayPort v1.4 x1 HDMI v2.1 x2 Digital input USB Type-A x3 USB Type-B x1 USB Type-C x1 (DP alt mode)(PD 90W) Earphone jack...
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KC, KCC, E-STANDBY, Ukraine Energy, AU MEPS, VN MEPS, TUV-Flicker Free, TUV-Low Blue Light *Specifications subject to change without notice. ** Measuring a screen brightness of 200 nits without audio/ USB/ card reader connections. 3-16 ROG Strix XG27UCDMG Gaming Monitor...
• Perform All Reset via OSD. • Select the appropriate color temperature (Color Temp.) via OSD. HDR content is not played • Make sure the input source supports HDR properly playback (with proper system settings and latest software). • Make sure the content is HDR encoded. 3-18 ROG Strix XG27UCDMG Gaming Monitor...
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Do you have a question about the ROG STRIX XG27UCDMG and is the answer not in the manual?
Questions and answers
Why does my monitor after I turn it off automatically come back on after a few and go into standby mode (orange light)? How do I stop it from doing that? Should I leave it on standby mode all the time?